Valve mechanism for internal-combustion engines.



D. ZUFLOWER.

VALVE MECHANISM FOR INTERNAL COMBUSTION ENGINES.

APPLICATION FILED JAN 18, 1915.

mvmatoz MIHHI E A E f d 2 SHEETS-SHEET 1.

Patented July 18, 1916.

I 'l l nmmwm It] *1 M NH M M H]! M VALVE MECHAMSM FOR IN ERNAL COMBUSUON ENGINES.

INFUCATWN. HLED 1.191.169.

3M vemfo'u J/mm DON Z. FLOWER, 0F MINNEAPOLIS, IMINNESOTA VALVE MECHANISM FOR V Speeilication of Letters Patent.

INTERNAL-COMBUSTION ENGi NES.

PalentedJnly1S, 11916.

' Axipliea t'iqn f led' January 18,1915. Serial No. 2,929

all who-n2, it'mkri concm'iir lBe it known that I, Dela Z. Filowiza, cit-i- Zen of the United States, residi'ngat Minnea'pelis, in the co'u nfy of llennepina'lnl Slate of h1illlfSOt: 1,'l\Zl\C invented eel-lain new and usefulInnn'evenients in Valve l\Ieehanisin for In'rernal-(kunhnstion 'llngines. of which the following is a specification.

My invention relates to internal emnhn'stibn engine's" and more particularly to the valve nechanism flieiefurl V As'ja'n object of'lhe ii' \e'ntien I contemplate alsuitable cylinder l'erinatienj \\'hereh tnl'priivide for i-he. arrangement of a novel rotatable \"alve. nie-inbeithereon; said valve member! operatingto' control both intake and exhaust.

I 'A l'nrther ehjeetfbf" the invention; is to de' reap'e the number ()fivin-king parts and l1i-iin pi'0'\'e. the; arrangementof gears and sliafta vnae-d inI't-he 'hanslnission of pewer fri'inr the (frank shaft tutlnaaetziev valve.

tii jgenerallv 'iinprmethe emisl-rnetiunand inerease lhe el'lieienev'hf an explosive. en

urdani-e"Willi l-he presenlyni Rfm-i-n Innir'lu fhe raa'ings by we the piston, 3 the piston rod, *1 the Cl'illlh shaft, 5 the erank case and G the spark plug of n internal eenibustion engine. the structure and arrangement of the above referred in parts (except; fihe. cylinder) may be Varied as desired for the reason that they feral no part- .nf [be present 'enliun, being illns-' rated only to exempli y the operation and arrainZenn-nt (if sneh {parts as will hereinafter he described as novel.

The lexed end of the Cylinder, 'i is pre- Sided \i'ilh a 'emn'entrie vertieal here 7 open to the explnaiaruchamber (if The. engine. The ternnnals of the aparkeuil extend into the bore 7 as shown. 7 An annular flangeur shoulder S is; formed nnzthe. out-side of the. eylinder 1* a1. a paint adjacent the elesed end therenf. the said shoulder-0r flange. seg'v inp; as a support for a suitable open. end cylindrieal valve. member e lnQdlltiil tllklQ- on and arrai'iged t0 emlnaceor ineiescthe 'nppe'r elesedend of ihe eylin ler. lllnngated openings 11) and]! (tnlw l'iereinal'ur designated respeet'iyely 1 h \-inr aka and t'ne exhaust ports of the engineyare .Ifarmed in (he (-t- \'lin(irieal shell mi valve. inemhei" the, said parts being: adapted to regiater respeetivel with an intakepasayge way 12 and an exhaust passage way 15., formed in the elused end of the cylinders; each of the said passage ways being: r pen w the. explosion ehaniher via the Vertical boi'e 7 As a means whereby alve member 9 may he held in place and as a means whereby the closed end of the tauinder 1 may be properl jaeke'le-d. T provide a suitable cylinder head er ezip defli g'nated .as n entirety by (he numeral 14, the said cap being (if; a 'pruper size and design whereliyle in ever and u wn l he elused'endof-lhe cylinder. \el lieal (p -nine l5 ial'nrined in'glhe rap in remie (he thr aded shank of (he spark plug '3. iielere aiiggpai-sted, the (rap Ll may lie s ennxlrueted ax in provide a al jacket 16. the said jacket being epen u a like-jarlwi 1.? formed in lhe "will (if the i'. \ii1'1 d&'l proper 14 An iniake passage way 1 and an iXlHhiHipa Age nay .9 is formed in (he eap 1L ilu rexpeeliw passage ways ,heine adapted 3hr registratielr respectively avitli the ports 11 and 10.

23 is adapted for meshing engagement with the gear structure 2 Shaft 23 penetrates the cylinder wall, the latter acting as a bearing therefor, and has mounted on its outer end a worm gear 24:. Gear 24 is in mesh with a worm pinion 25 mounted at one end of a vertical shaft 26, 'the said shaft being arranged upon the exterior of the engine, bearings 27 acting as the shaft sup port. A second worm pinion 28 is mounted on the said shaft 26 at the opposite end thereof, the latter pinion being in mesh with a worm gear 29 mounted on ashaft 30 extending into the crank case 5 where it is directly connected to either the crank shaft 4, or, if desired, directly'driven through the agency thereof.

Compression springs or rings 31 fit an nular grooves therefor designated 32 formed in the cylinder wall, the several.

grooves extending circumferentially of the cylinder preferably in uniform spaced relation as shown. Each groove has arranged therein one of the compression rings 31, the rings being adapted for firm frictional contact with the inner face of the shell or rotary valve member 9. The passage way 12 is formed at a point equi-distant from the grooves 32, while the passage way 13 is likewise formed, the latter however being equidistant from other of the said grooves. The compression rings prevent, during rotation of the valve, the escape of gas. Said springs 31 may be fastened to the cylinder head or if desired, made to rotate with the rotary valve.

The operation of the engine is apparentl'rom the foregoing disclosure, but to enable one unskilled in the art to readily understand the principles involved,-I shall pro ceed to briefly describe the operation. Combustible gas is admitted to the explosion chamber of the engine by way of passage 18, port 11 and passage 12, the said port 11 being of course in registration with the respective passage ways 18 and 12. As the engine or rather the piston executes its intake stroke, the port 11 is in the position last mentioned to in this manner suck in a charge of fuel. As the piston begins to recede. or to execute its. compression stroke, the port 11, by the rotation of the valve member 9 is moved out of registration with the passage way 12 to in this manner effectually compress the inflow charge within the explosion chamber and vertical bore of the cylinder. At the proper moment, the gas is ignited and the piston made to execute its power stroke, both the ports 11 and 10 being out of registration with the re:

spective passage ways 12 and 13. Upon the:

completion of the power stroke, the piston 2 will execute its exhaust stroke to expel the burned gases, the port 10 having by this time been sufficiently rotated to register respectively with the ports or passages 13v and 19 forming the exhaust. The above cycle of operation will remain in effect'so long as the piston is propelled and so long as the shaft 26 is driven to properly rotate the eration of the shell or valve member 9 is' transmitted direct from the crank shaft 4.

In reduction to practice, I have found that the form of my invention, illustrated in the drawings and referred toin the above description, as the preferred embodiment, is the most eflicient and practical; yet realizing that the conditions concurrent with the adoption of my device will-necessarily vary, I desire to emphasize the fact that various minor changes in details of construction, proportion and arrangement of parts may be resorted to, yvhen required, without sacrificing any of the advantages of my invention, as defined in the appended 0 arm.

Having thus fully described my invention, what I claim as new and desire'to secure by Letters Patent, is

In an internal combustion engine, the engine cylinder, a relatively enlarged cylinder head having a cylindrical ,bore formed therein and leading to said cylinder, said head being further provided with an intake passage way and an exhaust passageway leading to said bore, a cylindrical valve member mounted to embrace said cylinder head, said valve member being provided with an intake port and an exhaust port adapted for successive registration with said intake passage way and said exhaust passage way, a gear formed upon said valve member at the base thereof, acover structure designed for arrangement over said cylinder head and said valve member, said.

cover structure being provided with an interior recess in proximity to saidgcar and with a v threaded opening in its closed end h) reqistvr with said cylindrical bore, :1 mvnns penetrating said mvor and engaging said ,Q'mr to rotate Said valve member, :1 spin-king mums engaging in said tlnmldfll oponing and extending into Said [MP0 for? the purlmsc spmrified. and a plurality uf prussuru pmrking rings mounted in amllllnr grum'vs thvrofm' formed in said (gviimh'ical (10:1 to hemagainst said valve member, suhtuntinliy 1m dwcribwL 10 Yu testimony \v'hurmd I ufiix my signature in pl'vsvncc of two witnesws.

DUN Z. FLO'WER. Witnesses:

Jwnx F. I)LIC.-I".N!ERHY, Hum I). (msmi'xx 

